definition of
zip

[1] #1 zip v. [zip up, zipper] close with a zipper; "Zip up your jacket--it's cold". wn

[2] #2 zip n. [nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zippo] a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it". wn

[3] #3 zip n. [ZIP code, ZIP, postcode, postal code] a code of letters and digits added to a postal address to aid in the sorting of mail. wn

[4] #4 zip v. [travel rapidly, speed, hurry] move very fast; "The runner zipped past us at breakneck speed". wn

[5] #5 zip n. [energy, vigor, vigour] forceful exertion; "he plays tennis with great energy"; "he's full of zip". wn